Viti svasate M4 M5 M6 M8 M10 M12 bulloni a bussola chiave a brugola in acciaio inox A4
A4 marine grade stainless steel countersunk screws. ● 【Efficient Action】. The flat hexagon socket head allows driving where there is not enough space for wrenches or sockets, and ensures that the screw head is flush with the surface.